Flow Switch, Harwil, 1/2" MPT, 3 GPM On 1 Amp, For 3/4" Plumbing : Q12DS-3-3-4S-1
$69.01
Product details
Flow Switch
#1 Flow Switch
Since the mid 1980's the Harwil Q-12 flow switch has been used by some of the largest companies in the Pool & Spa and fluid control industries. The Q-12 has several factory adjustable parameters that provide the flexibility to meet the requirements of almost any application. The Q-12 verifies fluid flow, typically in conjunction with another device. For example most of swimming pool salt chlorine generators use the Q-12 to verify sufficient flow before the generator is energized. In a spa or hot tub the Q-12 ensures sufficient flow to prevent the water heater from a meltdown. In a chiller the Q-12 prevents the system from freezing. At home the Q-12 turns on the water disinfection system when someone is getting a glass of water.
Additional Information
1 Amp, 1/2" MPT Plumbing
Flow range is 0.7 - 590 GPM
Max. flow may be five times normal flow
Very low pressure drop – typically less than 1.0 psig at normal flow rate
Power the driving coil of small ice cube relays as well as some 30A power relays.
Switches 5VDC to 240VAC
Can be used in ¾ inch to 6 inch pipe
Alternate Part Numbers
Q-12DS50/3/4/4S/NO/1 (Harwil)
General
ReferenceQ12DS-3-3-4S-1
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